J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2024-08-01 23:51:22 Off the coast of Fukushima     40 4.62  
2024-08-02 04:16:24 Near the coast of Okinawa     10 4.13  
2024-08-03 07:16:10 Off the coast of Sanriku     30 4.62  
2024-08-04 17:46:05 Near the coast of Miyakojima     40 3.62  
2024-08-08 15:10:34 Near Taiwan     10 52  
2024-08-08 17:35:45 Hyuganada     10 4.63  
2024-08-08 18:00:00 Hyuganada     30 4.22  
2024-08-08 20:01:37 Hyuganada     10 3.41  
2024-08-08 21:49:16 Off the southwest coast of Hokkaido     200 4.7Unkn 
2024-08-09 01:26:32 Hyuganada     30 3.72  
2024-08-09 03:17:18 Off the coast of Noto Peninsula     10 32  
2024-08-09 03:48:53 Hyuganada     20 4.12  
2024-08-09 04:23:28 Hyuganada     20 5.54  
2024-08-09 04:47:50 Hyuganada     20 3.82  
2024-08-09 05:01:57 Hyuganada     20 3.82  
2024-08-09 13:56:27 Ishikawa-Noto     10 32  
2024-08-09 17:47:24 Off the east coast of Osumi Peninsula     20 3.52  
2024-08-09 19:14:26 Off the east coast of Osumi Peninsula     10 3.82  
2024-08-09 19:57:38 Kanagawa-West     10 5.24  
2024-08-10 00:10:42 Off the coast of Hachijojima     50 4.72  
2024-08-10 04:04:58 Ibaraki-South     50 3.32  
2024-08-10 12:28:27 Southern Sea of Okhotsk     470 7.1Unkn 
2024-08-10 14:18:16 Kumamoto-Asmakusa     10 3.53  
2024-08-10 21:15:58 Hyuganada     10 3.62  
2024-08-11 07:42:42 Hyuganada     30 4.33  
2024-08-11 09:38:38 Off the coast of Fukushima     90 4.63  
2024-08-11 20:01:21 Kumamoto-Kumamoto     10 3.33  
2024-08-12 06:48:11 Hyuganada     10 3.72  
2024-08-12 19:36:19 Off the northeast coast of Miyakojima     60 4.32  
2024-08-13 03:47:02 Off the east coast of Hokkaido     80 4.32  
2024-08-13 10:16:53 Near the coast of Okinawa     80 42  
2024-08-14 19:38:46 Kanagawa-West     10 3.63  
2024-08-15 13:50:59 Off the east coast of Osumi Peninsula     10 3.92  
2024-08-15 18:06:47 Near Taiwan     40 5.23  
2024-08-15 20:20:34 Kanagawa-West     10 4.33  
2024-08-16 00:17:42 Near the coast of Yonagunijima     70 4.72  
2024-08-16 08:36:05 Near the coast of Yonagunijima     10 5.53  
2024-08-16 22:06:01 Off the coast of Hyogo     10 4.42  
2024-08-17 00:57:17 Near Kunashir     70 4.32  
2024-08-17 09:33:28 Off the coast of Miyagi     60 4.83  
2024-08-17 15:32:09 Off the coast of Hachijojima     60 5.72  
2024-08-17 22:10:15 Near Taiwan     30 4.42  
2024-08-18 07:03:52 Chiba-Northeastern     30 3.92  
2024-08-18 15:49:50 Off the coast of Iwate     50 3.41  
2024-08-19 00:48:17 Ibaraki-North     10 4.54  
2024-08-19 00:50:46 Ibaraki-North     10 54  
2024-08-19 11:47:23 Near Iriomotejima     60 3.61  
2024-08-20 08:02:11 Off the coast of Kushiro     120 4.53  
2024-08-20 17:24:23 Off the east coast of Hokkaido     90 4.82  
2024-08-21 22:18:02 Off the east coast of Aomori     70 3.82  
2024-08-21 23:33:20 Near the coast of Amami Oshima     10 4.24  
2024-08-22 06:05:34 Off the coast of Kushiro     100 42  
2024-08-22 10:51:06 Off the east coast of Osumi Peninsula     10 3.92  
2024-08-22 10:51:06 Off the east coast of Osumi Peninsula     10 3.92  
2024-08-23 21:00:57 Ibaraki-South     60 3.52  
2024-08-27 17:13:07 Near Sado     10 3.52  
2024-08-27 19:47:30 Off the south coast of the Boso Peninsula     90 3.71  
2024-08-27 21:46:43 Off the coast of Miyagi     60 3.82  
2024-08-28 02:05:10 Kanagawa-East     40 42  
2024-08-29 11:17:25 Ishikawa-Noto     10 43  
2024-08-30 18:30:07 Off the coast of Miyagi     60 3.72  
2024-08-31 16:41:00 Off the coast of Fukushima     60 3.42  
2024-08-31 22:04:13 Hyuganada     20 4.53  
Archive Earthquake Data
  JMA (final quake data) EEW (preliminary reports)
2011 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2012 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2013 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2014 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2015 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2016 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2017 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2018 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2019 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2020 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2021 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2022 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2023 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2024 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2025 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7

Information provided by the Japan Meteorological Agency.
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